App crashing

Your app is crashing. Here's the latest log:

}
Request collection: {
  collection: 'MissionHospital',
  query: { isDeleted: 'false' },
  projection: { missionHospitalName: 1, _id: 1 }
}
Exception in callback of async function: Error [ERR_HTTP_HEADERS_SENT] [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
    at ServerResponse.setHeader (_http_outgoing.js:526:11)
    at ServerResponse.res.setHeader (/home/ubuntu/.meteor/packages/simple_json-routes/.2.1.0.czkh5c.gniyr++os+web.browser+web.cordova/npm/node_modules/connect/lib/patch.js:134:22)
    at RestMiddleware.handleErrorAsJson (packages/simple_rest-json-error-handler.js:62:12)
    at runWithEnvironment (packages/meteor.js:1286:24)
    at packages/meteor.js:1299:14
    at packages/simple_json-routes.js:68:42
    at /home/ubuntu/.meteor/packages/promise/.0.11.2.juyyvl.4zx9e++os+web.browser+web.browser.legacy+web.cordova/npm/node_modules/meteor-promise/fiber_pool.js:43:40 {
  code: 'ERR_HTTP_HEADERS_SENT'
}
Exception in callback of async function: Error [ERR_HTTP_HEADERS_SENT] [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
    at ServerResponse.setHeader (_http_outgoing.js:526:11)
    at ServerResponse.res.setHeader (/home/ubuntu/.meteor/packages/simple_json-routes/.2.1.0.czkh5c.gniyr++os+web.browser+web.cordova/npm/node_modules/connect/lib/patch.js:134:22)
    at RestMiddleware.handleErrorAsJson (packages/simple_rest-json-error-handler.js:62:12)
    at runWithEnvironment (packages/meteor.js:1286:24)
    at packages/meteor.js:1299:14
    at packages/simple_json-routes.js:68:42
    at /home/ubuntu/.meteor/packages/promise/.0.11.2.juyyvl.4zx9e++os+web.browser+web.browser.legacy+web.cordova/npm/node_modules/meteor-promise/fiber_pool.js:43:40 {
  code: 'ERR_HTTP_HEADERS_SENT'
}
Exception in callback of async function: Error [ERR_HTTP_HEADERS_SENT] [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
    at ServerResponse.setHeader (_http_outgoing.js:526:11)
    at ServerResponse.res.setHeader (/home/ubuntu/.meteor/packages/simple_json-routes/.2.1.0.czkh5c.gniyr++os+web.browser+web.cordova/npm/node_modules/connect/lib/patch.js:134:22)
    at RestMiddleware.handleErrorAsJson (packages/simple_rest-json-error-handler.js:62:12)
    at runWithEnvironment (packages/meteor.js:1286:24)
    at packages/meteor.js:1299:14
    at packages/simple_json-routes.js:68:42
    at /home/ubuntu/.meteor/packages/promise/.0.11.2.juyyvl.4zx9e++os+web.browser+web.browser.legacy+web.cordova/npm/node_modules/meteor-promise/fiber_pool.js:43:40 {
  code: 'ERR_HTTP_HEADERS_SENT'
}
Request collection: {
  collection: 'MissionHospital',
  query: { isDeleted: 'false' },
  projection: { missionHospitalName: 1, _id: 1 }
}
Request collection: {
  collection: 'MissionHospital',
  query: { isDeleted: 'false' },
  projection: { missionHospitalName: 1, _id: 1 }
}
Request collection: {
  collection: 'MissionHospital',
  query: { isDeleted: 'false' },
  projection: { missionHospitalName: 1, _id: 1 }
}
Exception in callback of async function: Error [ERR_HTTP_HEADERS_SENT] [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
    at ServerResponse.setHeader (_http_outgoing.js:526:11)
    at ServerResponse.res.setHeader (/home/ubuntu/.meteor/packages/simple_json-routes/.2.1.0.czkh5c.gniyr++os+web.browser+web.cordova/npm/node_modules/connect/lib/patch.js:134:22)
    at RestMiddleware.handleErrorAsJson (packages/simple_rest-json-error-handler.js:62:12)
    at runWithEnvironment (packages/meteor.js:1286:24)
    at packages/meteor.js:1299:14
    at packages/simple_json-routes.js:68:42
    at /home/ubuntu/.meteor/packages/promise/.0.11.2.juyyvl.4zx9e++os+web.browser+web.browser.legacy+web.cordova/npm/node_modules/meteor-promise/fiber_pool.js:43:40 {
  code: 'ERR_HTTP_HEADERS_SENT'
}
Request collection: {
  collection: 'MissionHospital',
  query: { isDeleted: 'false' },
  projection: { missionHospitalName: 1, _id: 1 }
}

<--- Last few GCs --->

[3452529:0x3c1f6a0] 84224548 ms: Mark-sweep 8190.1 (8201.8) -> 8189.8 (8202.3) MB, 6551.0 / 0.2 ms  (average mu = 0.091, current mu = 0.000) allocation failure scavenge might not succeed
[3452529:0x3c1f6a0] 84231337 ms: Mark-sweep 8190.5 (8202.3) -> 8190.2 (8202.5) MB, 6785.5 / 0.1 ms  (average mu = 0.046, current mu = 0.000) allocation failure scavenge might not succeed


<--- JS stacktrace --->

==== JS stack trace =========================================

    0: ExitFrame [pc: 0x132d76d]
Security context: 0x27d217b808d1 <JSObject>
    1: slice [0x135360b406c9] [buffer.js:~593] [pc=0x28ad36219fa6](this=0x2e03a64bfae9 <Object map = 0x146fc52e4ce9>,0x33363c37cc21 <Uint8Array map = 0x146fc52e41f9>,3242171,3242188)
    2: deserializeObject(aka deserializeObject) [0x578e8acf741] [/home/ubuntu/.meteor/packages/npm-mongo/.3.7.1.1wetdez.yfdg++os+web.browser+web.browser.legacy+web.cordova/npm/node_m...

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
 1: 0x9ef190 node::Abort() [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 2: 0x9f13b2 node::OnFatalError(char const*, char const*) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 3: 0xb5da9e v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 4: 0xb5de19 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 5: 0xd0a765  [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 6: 0xd0adf6 v8::internal::Heap::RecomputeLimits(v8::internal::GarbageCollector) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 7: 0xd1760a v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 8: 0xd18515 v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
 9: 0xd1afcc v8::internal::Heap::AllocateRawWithRetryOrFail(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
10: 0xce8c8c v8::internal::Factory::NewRawOneByteString(int, v8::internal::AllocationType) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
11: 0xce944d v8::internal::Factory::NewStringFromUtf8(v8::internal::Vector<char const> const&, v8::internal::AllocationType) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
12: 0xb75dff v8::String::NewFromUtf8(v8::Isolate*, char const*, v8::NewStringType, int) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
13: 0xab2500 node::StringBytes::Encode(v8::Isolate*, char const*, unsigned long, node::encoding, v8::Local<v8::Value>*) [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
14: 0x9c9dd6  [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
15: 0x132d76d  [/home/ubuntu/.meteor/packages/meteor-tool/.1.10.2.3mdt7b.a4jk2++os.linux.x86_64+web.browser+web.browser.legacy+web.cordova/mt-os.linux.x86_64/dev_bundle/bin/node]
Exited from signal: SIGABRT
Your application is crashing. Waiting for file change.